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Java???????

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Java????????

Java?????????????????????????

1. ?? Thread ?

???? Thread ??????????? run ?????????

public class MyThread extends Thread {
    @Override
    public void run() {
        String threadName = Thread.currentThread().getName();
        for (int i = 1; i <= 100; i++) {
            System.out.println(threadName + "i=" + i);
        }
    }
}

2. ?? Runnable ??

???? Runnable ????????run ??????????

public class DoxThread implements Runnable {
    @Override
    public void run() {
        String threadName = Thread.currentThread().getName();
        for (int i = 1; i <= 100; i++) {
            System.out.println(threadName + "i=" + i);
        }
    }
}
public class TestMain {
    public static void main(String[] args) {
        DoxThread doxThread = new DoxThread();
        Thread thread1 = new Thread(doxThread);
        Thread thread2 = new Thread(doxThread);
        thread1.start();
        thread2.start();
    }
}

3. Callable ? Future ??

Callable ??????????????Future ??????????????

public class TestThread implements Callable
   
     {
    @Override
    public String call() throws Exception {
        String name = Thread.currentThread().getName();
        for (int i = 1; i <= 100; i++) {
            System.out.println(name + "-i-" + i);
        }
        return name + "????";
    }
}
public class TestMain {
    public static void main(String[] args) throws Exception {
        TestThread testThread = new TestThread();
        FutureTask
    
      futureTask1 = new FutureTask<>(testThread);
        FutureTask
     
       futureTask2 = new FutureTask<>(testThread);
        Thread thread1 = new Thread(futureTask1);
        Thread thread2 = new Thread(futureTask2);
        thread1.start();
        thread2.start();
        String result1 = futureTask1.get();
        System.out.println("????????" + result1);
        String result2 = futureTask2.get();
        System.out.println("????????" + result2);
    }
}
     
    
   

4. ????????

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